Version 6.6 255 October 2014
Installation & Operation Manual 28. Working with the Media Gateway Boards (TP-6310 and TP-8410)
28.5.6 Multiple Redundancy Groups
Multiple redundancy groups may be used to provide adequate protection in the
following cases:
Media Gateway boards installed in the chassis have different hardware or
application types.
Media Gateway boards have different configurations, which makes it impossible
to provide Hot redundancy for all boards by a single redundancy group.
Each redundancy group has its own redundant board, accompanied by a redundant
RTM module, which is capable of protecting service on a failed regular board within
the group. However, at any one time only one redundancy group may be in a
switchover state – i.e. when one of the redundancy groups switches activity to their
respective redundant board, another group may not perform switchover until the 1
st
group switches back.
To add and configure a new Redundancy Group:
1. Click
to access the Media Gateway status screen.
2. In the Navigation pane, select Redundancy
Redundancy Groups; the
Redundancy Groups list is displayed.
3. Use the
or buttons to add or remove entries.
4. Select a specific row and then in the configuration pane, click Redundancy
Group Settings; the Redundancy Group Settings screen is displayed.
5. Configure Redundancy Group parameters according to the table 'Redundancy
Group Parameters' below.
After adding a new Redundancy Group, associate specific Media Gateway boards to it
by performing the procedure described below. Ensure that you define a redundant
Media Gateway board for each Redundancy Group and configure it as described in
'Configuring Redundant Media Gateway Board' on page 249.
To associate a Media Gateway board with a Redundancy Group:
1. Click
to access the Media Gateway status screen.
2. Select the specific Media Gateway board.
3. In the Navigation pane, select Redundancy and then in the configuration pane,
click Redundancy Settings; the Redundancy Settings screen is displayed.
4. Configure Media Gateway board's redundancy parameters according to the table
'Media Gateway board's Redundancy Parameters' below. Set Redundancy
Group parameter to match the specific Redundancy Group.
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